BESTLIFE BT-3401R-1-17 Trolley Laptop Backpack with Wheels, Travel Rolling Backpack with Telescopic Handle, Large Capacity Waterproof Business & Travel Bag, Fits up to 17” Laptop USB Hubs • 6 test wavelengths

• 6 test wavelengths

Input power factor correction function

3af/at and Passive PoE

USB Support – Includes USB Type-A for device charging and Micro-USB for external audio devices

USB-A Port Output (QC 3

BESTLIFE BT-3401R-1-17 Trolley Laptop Backpack with Wheels, Travel Rolling Backpack with Telescopic Handle, Large Capacity Waterproof Business & Travel Bag, Fits up to 17” Laptop USB Hubs • 6 test wavelengthsProduct Description The BESTLIFE BT 3401R 1 17 Trolley Backpack is designed for professionals, students, and travelers who need both convenience and capacity. Featuring a durable waterproof exterior, smooth rolling wheels, and a telescopic trolley handle, this backpack easily converts from a traditional backpack to a rolling travel bag. The spacious interior includes a dedicated padded compartment that fits laptops up to 17 inches, along with multiple